Software Developer • Team Lead • Mentor

Solves Real World Problems, Digitally.

I'm Genrey, a full-stack developer focused on practical products—from clinic management systems to AI-assisted platforms. I enjoy turning complex requirements into clean, maintainable solutions and helping teams ship with confidence.

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Projects/Achievements

MAR 2026

ResCon 2026 Speaker

Presented practical software engineering workflows and mentored student developers during community sessions.

Delivered live technical walkthroughs
Guided peer projects and developer Q&A

AUG 2025

Regal Rexnord

Promoted from intern to project-based Software Developer, contributing to enterprise-scale applications supporting multiple Regal Rexnord business segments

Onboarded interns which enable them to quickly collaborate and contribute to production
Served as a technical resource for ~50% of UI/UX tasks

Jan 2024

Student Tech Leadership Programs

Organized and facilitated programs focused on project-based learning, collaboration, and delivery quality.

Expanded student participation in technical events
Strengthened mentorship pipeline for juniors

JAN 2024

Microsoft Learn Student Ambassador

Collaborated with other MLSA students across the world to organize and promote technical skills and usage of technicall tools

Hosted events for GitHub and Microsoft AI Products in the University
Impacted over 1,000+ students to learn more about new technologies

Experience

Eastwest Banking Corporation

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Fullstack Engineer

Present

Working as a Fullstack Engineer at Eastwest

Work alongside the Corporate Dev Team in Developing Solutions

Regal Rexnord

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Software Developer

May 2025 - April 2026

Collaborated with cross-functional teams to create and maintain web applications that enhance user experience and drive business growth.

Work closely with developers, product managers and other team members and participate in design reviews.
Develop and ensured that the UI is responsive and works seamlessly across different devices and browsers.
Wrote automation scripts to streamline repetitive tasks and improve efficiency in the department.

J'5 Pharmacy

Software Developer (Contract)

June 2025 - Dec 2025

J'5 Pharmacy

Engineered a real-time price monitoring tool using Puppeteer and Express.js, eliminating the need for manual data scraping and reducing operational costs related to external market research by ~90%
Developed a custom inventory management system that synchronized stock levels with sales.
Developed scripts & database management for transitioning from excel database to MySQL Database

UCC-INGO

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Website Administrator

June 2023 - Aug 2024

Performed maintenance & updates for UCC's CS Website

Ensured maintenance of the CS Website
Created a global css file to ensure color consistency
Created technical documentation for the future maintainer of the website. Ensured that the documentation covers the technical aspects of the system

Jimirene Maternity Clinic

Fullstack Developer (Contract)

Aug 2024 - July 2025

Developed a digital portal for PhilHealth form completions

Spearheaded a team of 5 to architect a Clinic Management System using Spring Boot and Electron, reducing PhilHealth claim processing time by an estimated ~80% via intelligent form auto-population.
Implemented a "single-entry, multi-populate" architecture, ensuring data consistency across multiple regulatory PhilHealth forms and eliminating manual transcription errors

Testimonies & Supporting Documents

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Bureau of Animal Industry

Recommendation Letter

The Bureau of Animal Industry (BAI) issued a formal endorsement on February 5, 2026, for the "Regulatory Compliance Verification System (RCV)" developed by a team of students from the University of Caloocan City, including Genrey O. Cristobal. The project, which was successfully turned over on January 15, 2026, received high praise for exceeding requirements by integrating advanced technologies like blockchain and AI-powered automation to streamline inspection processes and data analytics. Commended for their exceptional technical skills and ability to solve complex regulatory challenges under a short deadline, the development team created a tool that is now considered a vital asset for the Bureau's regulatory officers. The endorsement is officially noted by the BAI’s Information and Communication Technology Unit and the Animal Feeds, Veterinary Drugs and Biologics Control Division, signifying the system's successful implementation and high-level recognition.